﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<blockthreesectiontwo>
  <Question1>1. Match the following options with the correct statements.</Question1>
  <Q1TableAnswer1>None</Q1TableAnswer1>
  <Q1TableAnswer2>None</Q1TableAnswer2>
  <Q1TableAnswer3>None</Q1TableAnswer3>
  <Q1TableAnswer4>None</Q1TableAnswer4>
  <Q1TableAnswer5>None</Q1TableAnswer5>
  <Q1TableAnswer6>None</Q1TableAnswer6>
  <Q1TableAnswer7>None</Q1TableAnswer7>
  <Reference1>REFERENCE</Reference1>
  <Question2>8. Why is it necessary to use a buffer amplifier as the output of the RF oscillator??</Question2>
  <Answer2>None</Answer2>
  <Reference2>REFERENCE</Reference2>
  <Question3>9. What does the term frequency stability refer to?</Question3>
  <Answer3>None</Answer3>
  <Reference3>REFERENCE</Reference3>
  <Question4>10. What is the major concern that exists for the operation of an oscillator?</Question4>
  <Answer4>None</Answer4>
  <Reference4>REFERENCE</Reference4>
  <Question5>11. The multiplier is used to increase the (level, frequency) of the RF oscillator.</Question5>
  <Answer5>None</Answer5>
  <Reference5>REFERENCE</Reference5>
  <Question6>12. Modulation occurs in what section of the basic AM transmitter?</Question6>
  <Answer6>None</Answer6>
  <Reference6>REFERENCE</Reference6>
  <Question7>13. Is audio required to produce RF in a transmitter?</Question7>
  <Answer7>None</Answer7>
  <Reference7>REFERENCE</Reference7>
  <Question8>14. What is the purpose of APC?  </Question8>
  <Answer8>None</Answer8>
  <Reference8>REFERENCE</Reference8>
  <Question9>15. The antenna is connected to the (transmitter, receiver) when the T/R relay is in the deenergized condition.</Question9>
  <Answer9>None</Answer9>
  <Reference9>REFERENCE</Reference9>
  <Question10>16. Why must the microphone be followed by an audio amplifier?</Question10>
  <Answer10>None</Answer10>
  <Reference10>REFERENCE</Reference10>
  <Question11>17. What frequencies will be present at the output of the transmitter?</Question11>
  <Answer11>None</Answer11>
  <Reference11>REFERENCE</Reference11>
  <Question12>18. When will voltage be present on the key line? </Question12>
  <Answer12>None</Answer12>
  <Reference12>REFERENCE</Reference12>
  <Question13>19. What is the typical AC level out of a microphone?</Question13>
  <Answer13>None</Answer13>
  <Reference13>REFERENCE</Reference13>
  <Question14>20. What is the output power rated in for an oscillator when used as a Transmitter?</Question14>
  <Answer14>None</Answer14>
  <Reference14>REFERENCE</Reference14>
  <Question15>1. With respect to SWR, when is maximum power transferred to the antenna?</Question15>
  <Answer15>None</Answer15>
  <Reference15>REFERENCE</Reference15>
  <Question16>2. What term represents power heading towards the antenna? </Question16>
  	<Choice16A>standing wave</Choice16A>
  	<Choice16B>reflected wave</Choice16B>
  	<Choice16C>The incident wave</Choice16C>
  	<Choice16D>NONE</Choice16D>
  	<Correct16>None</Correct16>
  <Reference16>REFERENCE</Reference16>
  <Question17>3. Which of the following represents a negative result if the transmission line is not terminated in its characteristic impedance? </Question17>
  	<Choice17A>The reflected wave</Choice17A>
  	<Choice17B>The standing wave</Choice17B>
  	<Choice17C>The incident wave</Choice17C>
  	<Choice17D>a and b</Choice17D>
  	<Correct17>None</Correct17>
  <Reference17>REFERENCE</Reference17>
  <Question18>4. What is the wave heading from the antenna towards the transmitter?  </Question18>
  	<Choice18A>reflected wave</Choice18A>
  	<Choice18B>standing wave</Choice18B>
  	<Choice18C>incident wave</Choice18C>
  	<Choice18D>NONE</Choice18D>
  	<Correct18>None</Correct18>
  <Reference18>REFERENCE</Reference18>
  <Question19>5. What waves are present on a transmission line when there is an impedance mismatch?</Question19>
  <Answer19>None</Answer19>
  <Reference19>REFERENCE</Reference19>
  <Question20>6. A transmitting system works best when the SWR is </Question20>
  	<Choice20A>High</Choice20A>
  	<Choice20B>Low</Choice20B>
  	<Choice20C>NONE</Choice20C>
  	<Choice20D>NONE</Choice20D>
  	<Correct20>None</Correct20>
  <Reference20>REFERENCE</Reference20>
  <Question21>7. Calculate the SWR if the transmitter has a 25 watt incident wave and a 16 watt reflected wave.</Question21>
  <Answer21>None</Answer21>
  <Reference21>REFERENCE</Reference21>
  <Question22>8. Calculate the SWR if the transmitter has 100 watts of forward power and 9 watts of reflected power.</Question22>
  <Answer22>None</Answer22>
  <Reference22>REFERENCE</Reference22>
  <Question23>9. Calculate the SWR if the transmitter has 64 watts of forward power and a 49 watts of reflected power.</Question23>
  <Answer23>None</Answer23>
  <Reference23>REFERENCE</Reference23>
  <Question24>10. What special purpose devices are used to measure incident and reflected power levels?</Question24>
  <Answer24>None</Answer24>
  <Reference24>REFERENCE</Reference24>
  <Question25>11. Select all the items that can cause a high SWR?  </Question25>
  	<Choice25A>Low ouput power</Choice25A>
  	<Choice25B>A damaged antenna</Choice25B>
  	<Choice25C>A shorted transmission line</Choice25C>
  	<Choice25D>A corroded RF connector</Choice25D>
  	<Correct25>None</Correct25>
  <Reference25>REFERENCE</Reference25>
  <Question26>12. How can a high SWR be reduced?   </Question26>
  	<Choice26A>Retune the transmitter</Choice26A>
  	<Choice26B>Increase output power</Choice26B>
  	<Choice26C>Reduce % of modulation</Choice26C>
  	<Choice26D>Remove the antenna</Choice26D>
  	<Correct26>None</Correct26>
  <Reference26>REFERENCE</Reference26>
  <Question27>13. What is the ideal standing wave ratio for a transmitter system?</Question27>
  <Answer27>None</Answer27>
  <Reference27>REFERENCE</Reference27>
  <Question28>14. What device is used to replace the antenna during transmitter maintenance?</Question28>
  <Answer28>None</Answer28>
  <Reference28>REFERENCE</Reference28>
  <Question29>15. How many receivers and/or transmitters will the CU-547 support?</Question29>
  <Answer29>None</Answer29>
  <Reference29>REFERENCE</Reference29>
  <Question30>16. What is one advantage of using couplers with ATC communications?</Question30>
  <Answer30>None</Answer30>
  <Reference30>REFERENCE</Reference30>
  <Question31>Close?</Question31>
  <Answer31>None</Answer31>
  <Reference31 />
  <Question32 />
  <Answer32>None</Answer32>
  <Reference32 />
</blockthreesectiontwo>